Add 3 numbers (timed)
Add three numbers with totals up to 20. Just one minute to answer as many as possible.
Add 3 numbers (timed)
Add three numbers with totals up to 20. Just one minute to answer as many as possible.
Add three numbers with totals up to 20. Just one minute to answer as many as possible.
Add three numbers with totals up to 20. Just one minute to answer as many as possible.
